Table 4 Background segmentation evaluation. Comparison of the number of leukocytes manually found in the thresholded image with the total number of leukocytes present in the image (ground-truth)
From: Image features for quality analysis of thick blood smears employed in malaria diagnosis
Name image | Quality | Ground truth | Segmented leukocytes number | |||||
|---|---|---|---|---|---|---|---|---|
RGB + Gray + Threshold | HSV + Gray + Threshold | SV + Threshold | H + Threshold | S + Threshold | V + Threshold | |||
c1_4 | Good | 17 | 17 | 17 | 17 | 2 | 17 | 16 |
c2_3 | 31 | 31 | 29 | 31 | 0 | 31 | 31 | |
c3_10 | 23 | 20 | 23 | 23 | 2 | 23 | 18 | |
c4_4 | 26 | 26 | 26 | 26 | 18 | 26 | 19 | |
c5_7 | 16 | 16 | 16 | 16 | 8 | 16 | 16 | |
c51_10 | Bad | 14 | 14 | 14 | 14 | 5 | 14 | 14 |
c52_9 | 24 | 21 | 23 | 23 | 0 | 23 | 24 | |
c53_10 | 15 | 15 | 15 | 15 | 6 | 15 | 15 | |
c54_9 | 10 | 10 | 10 | 10 | 0 | 10 | 2 | |
c55_5 | 6 | 6 | 6 | 6 | 5 | 6 | 6 | |